What Did Kyrie Irving Say to Piss Off Coach K?

One month ago, Kyrie Irving became an NBA champion and emerged as a superstar in the process. He played the best basketball of his life on the biggest stage imaginable. So what do you do as a follow-up? You go to the Olympics and try to win gold. And so Kyrie has joined forces not just with a team of NBA stars (including three of Golden State's big four) but also with legendary coach Mike "Coach K" Krzyzewski, who coached Irving both in college and at the 2014 FIBA World Cup. The two have a good relationship, and never has that been more apparent than in Coach K's reaction to a joke Kyrie told at U.S.A. basketball practice today: